1.本组件如与管部Z10(立管支座)相配合时，可在本组件与立管支座之间加设二块聚四氟乙烯板(见Z10附注3)。2.本组件高度H的可调整值为+-15mm。标号示例T4.117.T4产品标号：T4.101,T4.102,T4.103,T4.104,T4.105,T4.106,T4.107,T4.108,T4.109,T4.110,T4.111,T4.112,T4.113,T4.114,T4.115,T4.116,T4.117,T4.118,T4.119,T4.120~T4.220.
T1.T2适用于吊架中间部位（根部管部之间），T3适用于根部槽钢上，T4只用于支架，T5用于双吊杆横担吊架
